Extech Instruments LT45 User Guide

LT45-EU-EN v1.4 9/13
8
Specifications
Samplingrate 2.5timespersecond(digitaldisplay)
Display 6‐digitLCDwithbatteryicon,measurementoverload,and
otherfunctionindicators
Sensor(detector) Siliconphotodiodewithspectralresponsefilterandcosine
correction
RangesandResolution Lux:399.9,3999,*3999
9
,*3999
99

Foot‐candles:39.99,399.9,3999,*3999
9

*Above3999,theLCDusessmallerdigitsontherightside
(1Fc=10.76Lux)
Auto‐range Themeterautomaticallyrangesthedisplay
Accuracy ±(3%ofreading+3digits)upto500Lux
±(3%)above500Lux
Calibratedtostandardincandescentlamp2856
o
Katan
ambienttemperatureof23
o
C
±6%forothervisiblelightsources
30

±2%
60

 ±6%
Angledeviationfromcosine
characteristics
80

 ±25%
LEDTypes Metermeasureswhite,red,yellow,green,blue,purpleLEDlight
Operatingconditions Temperature:5to40
o
C(41to104
o
F);Humidity:<80%RH
StorageTemperature/RH‐10to60
o
C(14to140
o
F);Humidity:<70%RH
Batterystatusindication Batterysymbolappearsemptywhenbatteryvoltagereachescriticallevel
Powersupply 9Vbattery
AutoPowerOFF Meterpowersdownafter5minutesofinactivity(canbedefeated)
Dimensions
Meter:38x
55x130mm(1.5
x2.2x5.1”)
Sensor:25x44x80mm(9.8
x2.2x3.1”)
Cablelength:1.5m(4.9ft.)
Weight Approx.250g(8.8oz.)withbatteryinstalled
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Extech Instruments LT45 Specifications

General

Brand	Extech Instruments
Model	LT45
Category	Measuring Instruments
Language	English